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Finding the Fourth Proportional to 49,762.58, 68,667.84 and 29,616.21

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Solution

The fourth proportional to 49,762.58, 68,667.84 and 29,616.21 is: 40,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762.58 : 68,667.84 = 29,616.21 : x
  2. Step 2: Convert to fraction form
    49,762.58/68,667.84 = 29,616.21/x
  3. Step 3: Cross multiply
    49,762.58x = 68,667.84 × 29,616.21
  4. Step 4: Simplify right side
    49,762.58x = 2,033,681,169.69
  5. Step 5: Solve for x
    x = 2,033,681,169.69/49,762.58
  6. Step 6: Final answer
    x = 40,867.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.